.ycleft {
    display:none;
    height: 60px;
    width: 7px;
    background-color: #559aea;
    position: absolute;
    right: -6px;
    margin: auto 0;
    top: 0;
    bottom: 0;
    border-radius: 0 25px 25px 0;
    cursor: pointer;
}
.ycleft i{
    position: absolute;
    color: #ffffff;
    top: 19px;
    left: 0;
}
.left-hide-l{
    left:-235px; 
}
.left-hide-r{
    margin: 15px 15px 0 15px;
}
.menu-left,.nr-right {
	-webkit-transition: all 0.5s ease;
	-moz-transition: all 0.5s ease;
    transition: all 0.5s ease;
}

.kzt{
    position: absolute;
    top: 0;
    right: -10px;
    height: 100%;
    width: 10px;
}
.menu-left:hover .ycleft{
    display:block;
}
.kzt:hover .ycleft{
    display:block;
}
.ycleft:hover{
    background-color: #FF7300;
}

:host >>> .tooltip-inner {
    background-color: #f0ad4e;;
    color: #fff;
  }
  :host >>> .tooltip.top .tooltip-arrow:before,
  :host >>> .tooltip.top .tooltip-arrow {
    border-top-color: #f0ad4e;
  }